302120012 has 12 divisors (see below), whose sum is σ = 533843856. Its totient is φ = 149593200.

The previous prime is 302119997. The next prime is 302120029. The reversal of 302120012 is 210021203.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 302119975 and 302120002.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 366239 + ... + 367062.

It is an arithmetic number, because the mean of its divisors is an integer number (44486988).

Almost surely, 2^302120012 is an apocalyptic number.

It is an amenable number.

302120012 is a deficient number, since it is larger than the sum of its proper divisors (231723844).

302120012 is a wasteful number, since it uses less digits than its factorization.

302120012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733408 (or 733406 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 302120012 is about 17381.5998112947. The cubic root of 302120012 is about 671.0061455413.

Adding to 302120012 its reverse (210021203), we get a palindrome (512141215).

The spelling of 302120012 in words is "three hundred two million, one hundred twenty thousand, twelve".